Home / 65,163.24-97,743.15-20,792.70

Finding the Fourth Proportional to 65,163.24, 97,743.15 and 20,792.70

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Solution

The fourth proportional to 65,163.24, 97,743.15 and 20,792.70 is: 31,188.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,163.24 : 97,743.15 = 20,792.70 : x
  2. Step 2: Convert to fraction form
    65,163.24/97,743.15 = 20,792.70/x
  3. Step 3: Cross multiply
    65,163.24x = 97,743.15 × 20,792.70
  4. Step 4: Simplify right side
    65,163.24x = 2,032,343,995.01
  5. Step 5: Solve for x
    x = 2,032,343,995.01/65,163.24
  6. Step 6: Final answer
    x = 31,188.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.